<!-- 受灾情况热力图 -->
<template>
  <!-- 地图量算 -->
  <div class="measure-map">
    <div class="map-box">
      <div id="container" class="container"></div>
    </div>
  </div>
</template>

<script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=84f61226c5c3819011a303ef5c321e5f&plugin=AMap.MouseTool,AMap.HawkEye,AMap.DistrictSearch,AMap.Scale,AMap.ToolBar,AMap.ControlBar,AMap.ImageLayer"></script>
<script>
import { mapState } from "vuex";

export default {
  data() {
    return {
      map: null,
      mouseTool: null,
      radios: null,
      dataList: [],
      list: [],
      layer: null,
    };
  },

  mounted() {
    this.initMap();
    this.drawHotMap();
  },

  computed: {
    ...mapState(["ZhanDianData", "ZhaiHaiData"]),
  },

  methods: {
    initMap() {
      //初始化地图
      this.map = new AMap.Map("container", {
        resizeEnable: true,
        zoom: 15, //级别
        zooms: [4, 30],
        center: [116.969979, 40.276328],
        viewMode: "3D", //使用3D视图
        lang: this.lang,
        mapStyle: "amap://styles/macaron",
        infoWindow: null,
      });
      this.mouseTool = new AMap.MouseTool(this.map);

      this.satellite = new AMap.TileLayer.Satellite();
      this.map.add(this.satellite);
    },

    drawHotMap() {
      this.dataList = [];

      for (let i = 0; i < this.ZhaiHaiData.length; i++) {
        this.dataList = [...this.dataList, ...this.ZhaiHaiData[i].dataArr];
      }

      console.log(this.dataList);

      this.$message({
        message: "热力图绘制中，初次加载可能用时较长",
      });

      for (let i = 0; i < this.dataList.length; i++) {
        this.list.push({
          coordinate: [this.dataList[i].jing, this.dataList[i].wei],
          count: i,
        });
      }

      this.layer = new Loca.HeatmapLayer({
        map: this.map,
        fitView: true,
      });
      console.log("this.list", this.list);
      this.layer.setData(this.list, {
        lnglat: "coordinate",
        value: "count",
      });
      //  radius为热力半径，默认为16
      this.layer.setOptions({
        style: {
          radius: 30,
          color: {
            0.5: "#2c7bb6",
            0.65: "#abd9e9",
            0.7: "#ffffbf",
            0.9: "#fde468",
            1.0: "#d7191c",
          },
        },
      });

      this.layer.render();
    },
  },
};
</script>

<style scoped>
.btn {
  width: 6rem;
  margin: 0 1rem 0 4.5rem;
}

/* 弹框start */
html {
  font-size: 12px;
}
.amap-copyright {
  box-sizing: content-box;
}
* {
  box-sizing: border-box;
}
.input-textarea {
  color: grey;
  height: 8em;
  overflow: auto;
  border-radius: 0.4rem;
  border: 1px solid #ced4da;
  margin-bottom: 1rem;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol", "Noto Color Emoji";
  line-height: 1.5;
  font-weight: 300;
  color: #111213;
}

hr {
  margin: 0.5rem 0;
  box-sizing: content-box;
  height: 0;
  overflow: visible;
  border: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

p {
  margin-top: 0;
  margin-bottom: 0;
}

label {
  display: inline-block;
  margin-bottom: 0.4rem;
}

label,
.btn {
  margin-left: 0;
  font-size: 1rem;
}

button,
input,
select {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  overflow: visible;
  text-transform: none;
}

[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner,
button::-moz-focus-inner {
  padding: 0;
  border-style: none;
}

input[type="checkbox"],
input[type="radio"] {
  box-sizing: border-box;
  padding: 0;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  padding: 0;
  margin: 0 0.5rem 0 0;
}

h4 {
  font-family: inherit;
  line-height: 1.8;
  font-weight: 300;
  color: inherit;
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.btn {
  display: inline-block;
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  border: 1px solid transparent;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
    border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  background-color: transparent;
  background-image: none;
  color: #25a5f7;
  border-color: #25a5f7;
  padding: 0.25rem 0.5rem;
  line-height: 1.5;
  border-radius: 1rem;
  -webkit-appearance: button;
  cursor: pointer;
}

.btn:hover {
  color: #fff;
  background-color: #25a5f7;
  border-color: #25a5f7;
}

.btn:hover {
  text-decoration: none;
}

.input-item {
  position: relative;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -ms-flex-align: center;
  align-items: center;
  width: 100%;
  height: 3rem;
}

.input-item:last-child {
  margin-bottom: 0;
}

.input-item > select,
.input-item > input[type="text"],
.input-item > input[type="date"] {
  position: relative;
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;
  width: 1%;
  margin-bottom: 0;
}

.input-item > select:not(:last-child),
.input-item > input[type="text"]:not(:last-child),
.input-item > input[type="date"]:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-item > select:not(:first-child),
.input-item > input[type="text"]:not(:first-child),
.input-item > input[type="date"]:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-item-prepend {
  margin-right: -1px;
}

.input-item-text,
input[type="text"],
input[type="date"],
select {
  height: calc(2.2rem + 2px);
}

.input-item-text {
  width: 6rem;
  text-align: justify;
  padding: 0.4rem 0.7rem;
  display: inline-block;
  text-justify: distribute-all-lines;
  /*ie6-8*/
  text-align-last: justify;
  /* ie9*/
  -moz-text-align-last: justify;
  /*ff*/
  -webkit-text-align-last: justify;
  /*chrome 20+*/
  -ms-flex-align: center;
  align-items: center;
  margin-bottom: 0;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #495057;
  text-align: center;
  white-space: nowrap;
  background-color: #e9ecef;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
  border-bottom-right-radius: 0;
  border-top-right-radius: 0;
}

.input-item-text input[type="checkbox"],
.input-item-text input[type="radio"] {
  margin-top: 0;
}

.input-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: #fff;
  background-clip: border-box;
  border-radius: 0.25rem;
  width: 22rem;
  border-width: 0;
  border-radius: 0.4rem;
  box-shadow: 0 2px 6px 0 rgba(114, 124, 245, 0.5);
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;
  padding: 0.75rem 1.25rem;
}

.input-text {
  line-height: 2rem;
  margin-right: 2rem;
}

.info hr {
  margin-right: 0;
  margin-left: 0;
  border-top-color: grey;
}

.info {
  padding: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  border-radius: 0.25rem;
  position: fixed;
  top: 1rem;
  background-color: white;
  width: auto;
  min-width: 22rem;
  border-width: 0;
  right: 1rem;
  box-shadow: 0 2px 6px 0 rgba(114, 124, 245, 0.5);
}

.code {
  left: 1.5rem;
  right: 1.5rem;
  top: 1.5rem;
  bottom: 1.5rem;
  overflow: auto;
  margin-bottom: 0rem;
}

.code .btn {
  top: 1rem;
  position: absolute;
  right: 1rem;
}

.code .result {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 0.5rem;
  padding: 1rem;
  bottom: 1rem;
  position: absolute;
  top: 5.5rem;
  right: 1rem;
  left: 1rem;
  overflow: auto;
}

.code .status {
  color: #80adff;
  display: inline-block;
  font-size: 14px;
}

.code h4 {
  display: inline-block;
  max-width: 20rem;
  margin-right: 1rem;
  margin-bottom: 1rem;
}

select,
input[type="text"],
input[type="date"] {
  display: inline-block;
  width: 100%;
  padding: 0.375rem 1.75rem 0.375rem 0.75rem;
  line-height: 1.5;
  color: #495057;
  vertical-align: middle;
  background: #fff
    url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E")
    no-repeat right 0.75rem center;
  background-size: 8px 10px;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

input[type="text"],
input[type="date"] {
  background: #fff;
  padding: 0.375rem 0.75rem;
}

select:focus,
input[type="text"]:focus,
input[type="date"]:focus {
  border-color: #80bdff;
  outline: 0;
  box-shadow: 0 0 0 0.1rem rgba(128, 189, 255, 0.1);
}

.btn:focus {
  outline: 0;
  box-shadow: none;
}

select:focus::-ms-value,
input[type="text"]:focus::-ms-value,
input[type="date"]:focus::-ms-value {
  color: #495057;
  background-color: #fff;
}

/* native toastr */
.native-toast {
  position: fixed;
  background-color: rgba(50, 50, 50, 0.8);
  border-radius: 33px;
  color: white;
  left: 50%;
  text-align: center;
  padding: 6px 12px;
  opacity: 0;
  z-index: 99999;
  transition: transform 0.25s, opacity 0.25s, top 0.25s;
  box-sizing: border-box;
}

.native-toast-bottom {
  bottom: 50px;
  -ms-transform: translateX(-50%) translateY(50px);
  transform: translateX(-50%) translateY(50px);
}

.native-toast-bottom.native-toast-shown {
  opacity: 1;
  -ms-transform: translateX(-50%) translateY(0);
  transform: translateX(-50%) translateY(0);
}

.native-toast-bottom.native-toast-edge {
  bottom: 0;
}

.native-toast-top {
  top: 50px;
  -ms-transform: translateX(-50%) translateY(-50px);
  transform: translateX(-50%) translateY(-50px);
}

.native-toast-top.native-toast-shown {
  opacity: 1;
  -ms-transform: translateX(-50%) translateY(0);
  transform: translateX(-50%) translateY(0);
}

.native-toast-top.native-toast-edge {
  top: 0;
}

.native-toast-center {
  top: 0;
  -ms-transform: translateX(-50%) translateY(-50px);
  transform: translateX(-50%) translateY(-50px);
}

.native-toast-center.native-toast-shown {
  opacity: 1;
  top: 50%;
  -ms-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
}

.native-toast-edge {
  border-radius: 0;
  width: 100%;
  text-align: left;
}

@media screen and (min-width: 40rem) {
  .native-toast:not(.native-toast-edge) {
    max-width: 18rem;
  }
}

/*
  max-width does not seem to work in small screen?
*/

/*@media screen and (max-width: 768px) {
  .native-toast:not(.native-toast-edge) {
    max-width: 400px;
  }
}

@media screen and (max-width: 468px) {
  .native-toast:not(.native-toast-edge) {
    max-width: 300px;
  }
}*/

/* types */

.native-toast-error {
  background-color: #d92727;
  color: white;
}

.native-toast-success {
  background-color: #62a465;
  color: white;
}

.native-toast-warning {
  background-color: #fdaf17;
  color: white;
}

.native-toast-info {
  background-color: #5060ba;
  color: white;
}

[class^="native-toast-icon-"] {
  vertical-align: middle;
  margin-right: 8px;
}

[class^="native-toast-icon-"] svg {
  width: 16px;
  height: 16px;
}
/* 弹框end */
</style>